Home / 28,609.20-39,480.88-16,033.92

Finding the Fourth Proportional to 28,609.20, 39,480.88 and 16,033.92

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Solution

The fourth proportional to 28,609.20, 39,480.88 and 16,033.92 is: 22,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.20 : 39,480.88 = 16,033.92 : x
  2. Step 2: Convert to fraction form
    28,609.20/39,480.88 = 16,033.92/x
  3. Step 3: Cross multiply
    28,609.20x = 39,480.88 × 16,033.92
  4. Step 4: Simplify right side
    28,609.20x = 633,033,271.45
  5. Step 5: Solve for x
    x = 633,033,271.45/28,609.20
  6. Step 6: Final answer
    x = 22,126.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.